Ionia Weather Forecast

    • 54
    • 60

    Chance Rain

    • 55
    • 75

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 60
    • 77

    Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 59
    • 78

    Slight Chance Thunderstorms

    • 63
    • 81

    Partly Sunny

Today 22 Jun Ontario

Rain, cool with Highs in the lower 60s. Light east Winds. Chance of rain 90 percent.

Tonight 22 Jun Ontario

Cloudy. A chance of rain with patchy drizzle Early, then patchy drizzle from late evening on. Some patchy fog. Lows in the mid 50s. Light north Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ionia Temperature Statistics

June Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 2 June, 2026

    43.6 °F

  • Average June

    68.4 °F

  • Highest 11 June, 2026

    91.7 °F

Climate (2021–2026)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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